Table 3 Characteristics of survivors and non-survivors
Survivors (n = 917) | Non-survivors (n = 382) | p | |
|---|---|---|---|
Age, mean ± ± SD | 61.6 ± 16.5 | 65.2 ± 14.9 | <0.001 |
Male, n (%) | 546 (59.7) | 223 (58.5) | 0.7 |
Severity score on study day | |||
SAPS II, mean ± SD | 34.2 ± 13.5 | 50.1 ± 17 | <0.001 |
SOFA, mean ± SD | 6.2 ± 3.8 | 10.5 ± 4.6 | <0.001 |
ICU stay before May 8, median (IQR) | 5 (1–13) | 8 (1–18) | <0.001 |
Type of admission, n (%) | 0.58 | ||
Surgical/elective | 124 (13.5) | 62 (16.3) | |
Medical | 179 (19.5) | 69 (18.2) | |
Surgical/emergency | 580 (63.2) | 237 (62.4) | |
Trauma | 34 (3.7) | 12 (3.2) | |
Admission source, n (%) | 0.12 | ||
OR/recovery room | 349 (38.2) | 120 (31.7) | |
Hospital floor | 290 (31.8) | 141 (37.2) | |
ER/ambulance | 135 (14.8) | 50 (13.2) | |
Other hospital | 116 (12.7) | 57 (15) | |
Other | 23 (2.5) | 11 (2.9) | |
Comorbidities, n (%) | |||
COPD | 149 (16.2) | 62 (16.2) | 0.99 |
Cancer | 203 (22.1) | 97 (25.4) | 0.20 |
Heart failure (NYHA III-IV) | 62 (6.8) | 40 (10.5) | 0.02 |
Insulin dependent diabetes mellitus | 87 (9.5) | 37 (9.7) | 0.91 |
Chronic renal failure | 83 (9.1) | 44 (11.5) | 0.17 |
Cirrhosis | 39 (4.3) | 33 (8.6) | <0.01 |
Hematological cancer | 9 (1.0) | 14 (3.7) | <0.001 |
HIV | 6 (0.7) | 6 (1.6) | 0.12 |
Treatment on the study day, n (%) | |||
Mechanical ventilation | 534 (58.2) | 329 (86.4) | <0.001 |
RRT (hemodialysis or hemofiltration) | 110 (12.0) | 110 (28.9) | <0.001 |
Outcome | |||
ICU LOS, median (IQR) | 14 (5–32) | 18 (9–38) | <0.001 |
Other sites of infection, n (%) | |||
Respiratory | 221 (24.1) | 120 (31.4) | <0.01 |
Blood stream | 97 (10.6) | 56 (14.7) | 0.04 |
Renal/urinary tract | 53 (5.8) | 33 (8.6) | 0.06 |
Skin | 29 (3.2) | 23 (6) | 0.02 |
Catheter-related | 28 (3.1) | 21 (5.5) | 0.04 |
CNS | 1 (0.1) | 0 (0) | 0.52 |
Others | 19 (2.1) | 16 (4.2) | 0.03 |